package com.lishao;

/**
 * 类描述
 *
 * @author quan
 * @date 2023-09-25
 */
public class MyUtils {
    public void noNull(String s){
        if (s == null){
            System.out.println(s + "为空");
        }else {
            System.out.println(s + "不为空");
        }
    }
}
